/**
 * Copyright (C) 2009 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


package example;

public class PhoneCaller {
    private final PhoneService phone;

    public PhoneCaller(PhoneService phone) {
        this.phone = phone;
    }

    public void doAction() {
        Response response = phone.call("555-1212");
        if (response.notBusy())
             phone.hangUp();
    }
}
